package com.lbx.servlet;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author 吕兵星
 * @date 2020/10/22 16:18
 */
public class HelloServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//        获取前端参数
        String method = req.getParameter("method");
        if ("add".equals(method)) {
            req.getSession().setAttribute("msg","执行了add方法");
        }
        if ("delete".equals(method)) {
            req.getSession().setAttribute("msg","执行了delete方法");
        }
        req.getRequestDispatcher("WEB-INF/static/hello.jsp").forward(req,resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }
}
